Processing technology of aluminum substrate
A processing technology, aluminum substrate technology, applied in the direction of electrical components, printed circuit manufacturing, printed circuit, etc., can solve the problem of poor thermal conductivity, withstand voltage value and thermal resistance value of aluminum substrate, shortened service life, poor processing technology Mature and other issues, to achieve the effect of good pressure resistance and thermal resistance, extended service life, and mature technology
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[0052] The invention discloses a process for processing an aluminum substrate, the specific steps of which are as follows:
[0053] Step 1: Cutting: Cut the large-size raw material plate into aluminum with a specific size of 333*505 mm by using a cutting machine;
[0054] Step 2: Degreasing the surface: Soak the aluminum material with an aqueous solution of 25% NaOH for 20 minutes at a temperature of 25°C;
[0055] Step 3: Anodizing: Put the degreased aluminum material in a 25% H2SO4 aqueous solution, and perform anodizing for 25 minutes at a temperature of 24°C and a current density of 5A / d㎡;
[0056]Step 4: Cleaning and drying: wash the anodized aluminum material with clean water, and then dry it on a dryer at a drying temperature of 90°C;
[0057] Step 5: Apply coupling agent: Coat one side of the aluminum with epoxy-based coupling agent KH-550;
[0058] Step 6: Drying: put the aluminum coated with the coupling agent in an oven and bake for 15 minutes at a temperature of ...
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